Please mind that URL for git fetching has been changed. Replace /etc/layman/overlays/brancik-overlay.xml with this:
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE repositories SYSTEM "/dtd/repositories.dtd"> <repositories xmlns="" version="1.0"> <repo quality="experimental" status="official"> <name>brancik-overlay</name> <description>Ctibor Brancik's overlay</description> <homepage>https://dev.brancik.cz/git/brancik-overlay/</homepage> <owner type="project"> <email>ctibor@brancik.cz</email> <name>Ctibor Brančík</name> </owner> <source type="git">https://git.brancik.cz/brancik-overlay.git</source> </repo> </repositories>
layman -d brancik-overlay layman -S layman -a brancik-overlay